When is the San Francisco to Brussels route most turbulent?

Check the monthly chart for exact patterns. Transatlantic and mountain routes are typically roughest in winter (Dec–Mar). Tropical routes peak during monsoon season.

SFO to BRU Turbulence Forecast

Q: Is the San Francisco to Brussels flight turbulent?

The SFO–BRU route typically experiences moderate turbulence.

Q: Which seat is smoothest on SFO to BRU?

Wing seats are smoothest. On a Boeing 757 · Airbus A330, that's rows 14–24. Avoid the rear of the aircraft.

Q: How long is the flight from SFO to BRU?

The SFO to BRU flight takes approximately 11h 00m, covering 5,526 miles at 37,000 feet.

Is the San Francisco to Brussels flight turbulent? Live forecast & historical patterns.

Live forecast

SFO

→

BRU

San Francisco · Brussels · 11h 00m

50.1

Turb Score

11h 00m

Duration

4,802 nm

Distance

37,000 ft

Cruise Alt.

Moderate

Typical

⚠️ Moderate turbulence today

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Typical turbulence along the route

Historical average pattern for SFO–BRU

0h1h2h3h4h5h6h11h 00m

Smooth

Light

Moderate

Heavy

About the SFO–BRU route

The San Francisco to Brussels route crosses the North Atlantic, where the jet stream is the primary source of turbulence. Flying at 37,000 feet, the aircraft encounters the strongest bumps roughly 2–5 hours into the flight. This is clear-air turbulence — no clouds, no visual warning — which makes a pre-flight forecast especially valuable.

The route is served by American Airlines, United, Delta on Boeing 757 · Airbus A330 aircraft, with flights typically cruising at 37,000 feet over a distance of 5,526 miles (4,802 nautical miles).

💡 Tip: Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth.

San Francisco to Brussels Flight Time

How long is the flight from SFO to BRU?

11h 00m

Flight Time

5,526 mi

Distance

37,000 ft

Cruising Altitude

Boeing 757

Aircraft

The San Francisco (SFO) to Brussels (BRU) flight takes approximately 11h 00m, covering 5,526 miles (4,802 nautical miles) at 37,000 feet. The route is operated by American Airlines, United, Delta. Return flights (BRU to SFO) take a similar time, though westbound transatlantic and transpacific routes are typically 30–60 minutes longer due to headwinds.

Turbulence levels on SFO–BRU

What to expect at each phase of the flight

SmoothDeparture & arrival — climb and descent phases are generally calm

LightMinor bumps — drink stays in your cup, walking feels slightly unsteady

ModerateNoticeable bumps — stay seated with seatbelt on, service may pause

HeavyStrong jolts — unsecured items move, crew seated. Rare but possible

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Best time to fly SFO–BRU

Turbulence by month

Smooth

Light

Moderate

Rough

Best seat on SFO–BRU

Boeing 757

Front

Rows 1–13

Light

✓ Wing

Rows 14–24

Smoothest

Rear

Rows 25+

Rougher

Wing seats are over the center of gravity — least affected by turbulence.

What you'll see in the app

Full forecast, live map & seat recommendations

Similar routes

Other popular routes with turbulence data

SFO → LHR

San Francisco → London

Light

SFO → NRT

San Francisco → Tokyo

Moderate

SFO → ICN

San Francisco → Seoul

Moderate

See all transatlantic flights →

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Passenger Reports

Flew this in May expecting smooth skies based on past experience, but it was noticeably bumpier than usual. About an hour of moderate chop. Seatbelt sign basically stayed on.

Regular traveler · May

The crossing the jet stream section was legitimately rough. I was holding on to the armrests. Lasted maybe 40 minutes. One of the flight attendants had to sit down. Not a fun 11h 00m flight but we landed fine.

Solo traveler · December

Moderate turbulence over the North Atlantic — the kind where you're glad you kept your seatbelt on. Lasted about 30-40 minutes, then smoothed out. I've had worse on transatlantic routes.

Frequent flyer · March

All SFO routes→ All BRU routes→

Frequently asked questions

Is the San Francisco to Brussels flight turbulent?

The SFO–BRU route typically experiences moderate turbulence. The turbulence score for this route is 50.1/100.

When is turbulence worst on SFO to BRU?

Turbulence peaks mid-flight over the Atlantic. First and last hour are usually smooth. Check the turbulence chart above for the typical pattern along this specific route.

Which seat is smoothest on SFO to BRU?

Wing seats are always the smoothest. On a Boeing 757 (the most common aircraft on this route), that's rows 14–24. Avoid the very rear of the aircraft — it amplifies turbulence motion.

How long is the flight from SFO to BRU?

The SFO to BRU flight takes approximately 11h 00m, covering 5,526 miles (4,802 nautical miles).

Which airlines fly SFO to BRU?

The main airlines operating this route are American Airlines, United, Delta, flying Boeing 757 · Airbus A330 aircraft.

Data Sources

PIREP — Pilot reports (PIREPs) submitted via FAA/ICAO systems, aggregated over 12+ months of historical data
SIGMET / AIRMET — Significant Meteorological Information bulletins from NOAA Aviation Weather Center
EDR data — Eddy Dissipation Rate measurements from commercial aircraft (ADS-B derived turbulence intensity)
Seasonal patterns — 5-year rolling averages of turbulence frequency and intensity by month for this route

Scores represent typical conditions. Actual turbulence varies daily. For real-time forecasts, use the Turbulence Forecast app. · About our data